| 过渡区提取方法综述 |
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| 引用本文： | 刘锁兰,杨静宇. 过渡区提取方法综述[J]. 中国工程科学, 2007, 9(9): 89-96 |
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| 作者姓名： | 刘锁兰 杨静宇 |
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| 作者单位： | 南京理工大学计算机系,南京,210094 |
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| 基金项目： | 国防科技应用基础研究基金 |
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| 摘 要： | 图像分割是图像理论发展的瓶颈,过渡区是指图像中介于目标和背景之间的特殊区域,借助于过渡区的确定进行图像分割。主要介绍了过渡区提取的两大类方法：基于梯度的方法和基于非梯度的方法,并对提取效果以及存在的问题做了简要分析。
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| 关 键 词： | 过渡区 提取 图像分割 梯度法 非梯度法 |
| 文章编号： | 1009-1742（2007）09-0089-08 |
| 收稿时间： | 2006-04-26 |
| 修稿时间： | 2006-04-26 |
Survey on Extraction Methods of Transition Region |
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| Liu Suo-Lan and Yang Jing-Yu. Survey on Extraction Methods of Transition Region[J]. Engineering Science, 2007, 9(9): 89-96 |
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| Authors: | Liu Suo-Lan and Yang Jing-Yu |
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| Affiliation: | Computer Science Department, Nanjing University of Science & Technology, Nanjing210094, China;Computer Science Department, Nanjing University of Science & Technology, Nanjing210094, China |
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| Abstract: | Image segmentation is treated as a key issue in image processing and machine vision, and has been the bottleneck of development. Transition region is a special region located between the object and background. Having the aid of extraction of transition region to segment image is a kind of burgeoning technology. Two kinds of methods have been introduced: methods based on gradient and methods based on non gradient. Briefly, the extracted effects and existent problem have been analyzed. |
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| Keywords: | transition region extraction image segmentation gradient method non-gradient method |
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